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Lithium Hydroxide → {Tert-butyl-[3-(4',5'-difluoro-2'-methoxy-biphenyl-4-yloxymethyl)-benzoyl]-amino}-acetic acid

HRID 1665257
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HRID 1665257 반응식
C([O:3][C:4](=[O:37])[CH2:5][N:6]([C:11](=[O:36])[C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([CH2:18][O:19][C:20]2[CH:25]=[CH:24][C:23]([C:26]3[CH:31]=[C:30]([F:32])[C:29]([F:33])=[CH:28][C:27]=3[O:34][CH3:35])=[CH:22][CH:21]=2)[CH:13]=1)[C:7]([CH3:10])([CH3:9])[CH3:8])C.[Li+].[OH-]>C1COCC1.O>[C:7]([N:6]([CH2:5][C:4]([OH:37])=[O:3])[C:11](=[O:36])[C:12]1[CH:17]=[CH:16][CH:15]=[C:14]([CH2:18][O:19][C:20]2[CH:25]=[CH:24][C:23]([C:26]3[CH:31]=[C:30]([F:32])[C:29]([F:33])=[CH:28][C:27]=3[O:34][CH3:35])=[CH:22][CH:21]=2)[CH:13]=1)([CH3:10])([CH3:8])[CH3:9]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 3939Lithium HydroxideHCID 67152350{[3-(4',5'-Difluoro-2'-methoxy-biphenyl-4-yloxymethyl)-benzoyl]-tert-butyl-amino}-acetic acid ethyl ester

생성물 1

HCID 52933305{Tert-butyl-[3-(4',5'-difluoro-2'-methoxy-biphenyl-4-yloxymethyl)-benzoyl]-amino}-acetic acid

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran용매

실험 절차

A solution of {[3-(4′,5′-difluoro-2′-methoxy-biphenyl-4-yloxymethyl)-benzoyl]-tert-butyl-amino}-acetic acid ethyl ester (11.6 g, 23.3 mmol) in THF (500 mL) was treated with a solution LiOH (2.8 g, 116.7 mmol) in water (500 mL) at room temperature for 12 h. THF was then removed by evaporation. The mixture was then poured into ice and carefully acidified with dilute HCl to pH-1. The precipitate was collected by filtration, washed with water, and dried in vacuum to afford {tert-butyl-[3-(4′,5′-difluoro-2′-methoxy-biphenyl-4-yloxymethyl)-benzoyl]-amino}-acetic acid as a white solid, 10.6 g (94%). LC-MS (ES) calculated for C27H27F2NO5, 483; found m/z 484 [M+H]+.

후처리

  1. customTHF was then removed by evaporation
  2. additionThe mixture was then poured into ice
  3. filtrationThe precipitate was collected by filtration
  4. washwashed with water
  5. customdried in vacuum

출처 및 근거

ORD 기록
ord-15158f27018d43fe824ed7558625c1e2
출처 데이터셋
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08039495B2

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